diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..9a5fe7a
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,96 @@
+---
+# This file is part of Learning Sandbox Online.
+#
+# Learning Sandbox Online is free software: you can redistribute it
+# and/or modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Learning Sandbox Online is distributed in the hope that it will be
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# Learning Sandbox Online. If not, see <https://www.gnu.org/licenses/>.
+
+##
+# Continuous integration in GitHub Actions that lints the Ansible code and tests
+# the playbooks with Molecule.
+#
+# @copyright  2023 Geoffrey Bernardo van Wyk (https://geoffreyvanwyk.dev)
+# @see        GitHub Actions {@link https://docs.github.com/en/actions}
+##
+
+name: Build
+"on":
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  yamllint:
+    name: YAML Lint
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out the codebase.
+        uses: actions/checkout@v2
+
+      - name: Set up Python 3.
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.x"
+
+      - name: Install test dependencies.
+        run: pip3 install yamllint
+
+      - name: Lint code.
+        run: yamllint .
+
+  ansible-lint:
+    name: Ansible Lint
+    needs: yamllint
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out the codebase.
+        uses: actions/checkout@v2
+
+      - name: Set up Python 3.
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.x"
+
+      - name: Install test dependencies.
+        run: pip3 install ansible-lint
+
+      - name: Lint code.
+        run: ansible-lint .
+
+  molecule:
+    name: Molecule
+    needs: ansible-lint
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Check out the codebase.
+        uses: actions/checkout@v2
+
+      - name: Set up Python 3.
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.x"
+
+      - name: Install test dependencies.
+        run: pip3 install ansible molecule molecule-plugins[docker] docker
+
+      - name: Install playbooks dependencies
+        run: ansible-galaxy role install --role-file requirements.yml
+
+      - name: Run Molecule tests.
+        run: molecule test
+        env:
+          PY_COLORS: "1"
+          ANSIBLE_FORCE_COLOR: "1"
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
new file mode 100644
index 0000000..f22bcfa
--- /dev/null
+++ b/.github/workflows/deploy.yml
@@ -0,0 +1,64 @@
+---
+# This file is part of Learning Sandbox Online.
+#
+# Learning Sandbox Online is free software: you can redistribute it
+# and/or modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Learning Sandbox Online is distributed in the hope that it will be
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# Learning Sandbox Online. If not, see <https://www.gnu.org/licenses/>.
+
+##
+# Continuous delivery in GitHub Actions that runs the Ansible playbooks on the
+# public website's servers.
+#
+# @copyright  2023 Geoffrey Bernardo van Wyk (https://geoffreyvanwyk.dev)
+# @see        GitHub Actions {@link https://docs.github.com/en/actions}
+##
+
+name: Deploy
+"on":
+  push:
+    branches:
+      - master
+
+jobs:
+  ansible-playbook:
+    name: Run playbook
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Check out the codebase.
+        uses: actions/checkout@v2
+
+      - name: Set up Python 3.
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.x"
+
+      - name: Install Ansible.
+        run: pip3 install ansible
+
+      - name: Install playbooks dependencies
+        run: ansible-galaxy role install --role-file requirements.yml
+
+      - name: Install SSH key.
+        uses: shimataro/ssh-key-action@v2
+        with:
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          known_hosts: ${{ secrets.KNOWN_HOSTS }}
+
+      - name: Run plays.
+        run: |
+          ansible-playbook main.yml
+          --inventory ${{ secrets.ANSIBLE_INVENTORY }},
+          --user ${{ secrets.ANSIBLE_USER }}
+        env:
+          PY_COLORS: "1"
+          ANSIBLE_FORCE_COLOR: "1"
diff --git a/.yamllint b/.yamllint
new file mode 100644
index 0000000..79b5582
--- /dev/null
+++ b/.yamllint
@@ -0,0 +1,7 @@
+---
+extends: default
+
+rules:
+  truthy:
+    allowed-values: ["true", "false", "yes", "no"]
+    check-keys: true
diff --git a/defaults/main.yml b/defaults/main.yml
index b3d921a..a293bec 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,18 +1,18 @@
 ---
-# This file is part of Online Learning Sandbox.
+# This file is part of Learning Sandbox Online.
 #
-# Online Learning Sandbox is free software: you can redistribute it
+# Learning Sandbox Online is free software: you can redistribute it
 # and/or modify it under the terms of the GNU General Public License as
 # published by the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
-# Online Learning Sandbox is distributed in the hope that it will be
+# Learning Sandbox Online is distributed in the hope that it will be
 # useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 # Public License for more details.
 #
 # You should have received a copy of the GNU General Public License along with
-# Online Learning Sandbox. If not, see <https://www.gnu.org/licenses/>.
+# Learning Sandbox Online. If not, see <https://www.gnu.org/licenses/>.
 
 ##
 # Default values for sandbox variables.
@@ -20,7 +20,7 @@
 # @copyright  2023 Geoffrey Bernardo van Wyk (https://geoffreyvanwyk.dev)
 ##
 
-sandbox_environment: production # other values: development
+sandbox_environment: production  # other values: development
 
 sandbox_name: Learning Sandbox Online
 sandbox_domain: learningsandbox.online
diff --git a/homepage.playbook.yml b/homepage.playbook.yml
index 5b76d79..6825eb0 100644
--- a/homepage.playbook.yml
+++ b/homepage.playbook.yml
@@ -1,18 +1,18 @@
 ---
-# This file is part of Online Learning Sandbox.
+# This file is part of Learning Sandbox Online.
 #
-# Online Learning Sandbox is free software: you can redistribute it
+# Learning Sandbox Online is free software: you can redistribute it
 # and/or modify it under the terms of the GNU General Public License as
 # published by the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
-# Online Learning Sandbox is distributed in the hope that it will be
+# Learning Sandbox Online is distributed in the hope that it will be
 # useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 # Public License for more details.
 #
 # You should have received a copy of the GNU General Public License along with
-# Online Learning Sandbox. If not, see <https://www.gnu.org/licenses/>.
+# Learning Sandbox Online. If not, see <https://www.gnu.org/licenses/>.
 
 ##
 # Playbook for creating the parent website.
@@ -49,12 +49,14 @@
         - "{{ sandbox_domain }}-ssl.conf"
       ansible.builtin.command: a2ensite {{ item }}
       changed_when: true
+      tags:
+        - molecule-idempotence-notest
 
-    - name: Deploy and enable Apache virtualhost configurations for sandbox aliases
+    - name: Deploy and enable Apache virtualhosts for sandbox aliases
       loop: "{{ sandbox_domain_aliases }}"
       loop_control:
         loop_var: sandbox_domain_alias
-      ansible.builtin.include_tasks: tasks/deploy_and_enable_sandbox_domain_alias_virtualhosts.yml
+      ansible.builtin.include_tasks: tasks/deploy_domain_alias_virtualhosts.yml
 
     - name: Enable SSL module for Apache
       become: true
@@ -67,6 +69,8 @@
       ansible.builtin.sysvinit:
         name: apache2
         state: restarted
+      tags:
+        - molecule-idempotence-notest
 
     - name: Deploy home page
       become: true
diff --git a/main.playbook.yml b/main.playbook.yml
index 5a43b68..812252e 100644
--- a/main.playbook.yml
+++ b/main.playbook.yml
@@ -1,18 +1,18 @@
 ---
-# This file is part of Online Learning Sandbox.
+# This file is part of Learning Sandbox Online.
 #
-# Online Learning Sandbox is free software: you can redistribute it
+# Learning Sandbox Online is free software: you can redistribute it
 # and/or modify it under the terms of the GNU General Public License as
 # published by the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
-# Online Learning Sandbox is distributed in the hope that it will be
+# Learning Sandbox Online is distributed in the hope that it will be
 # useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 # Public License for more details.
 #
 # You should have received a copy of the GNU General Public License along with
-# Online Learning Sandbox. If not, see <https://www.gnu.org/licenses/>.
+# Learning Sandbox Online. If not, see <https://www.gnu.org/licenses/>.
 
 ##
 # Primary playbook of this project.
@@ -27,7 +27,7 @@
       become: yes
       ansible.builtin.apt:
         update_cache: true
-        cache_valid_time: 3600 # seconds == 1 hour
+        cache_valid_time: 3600  # seconds == 1 hour
 
 - name: Install Moodle instances
   ansible.builtin.import_playbook: moodle.playbook.yml
diff --git a/moodle.playbook.yml b/moodle.playbook.yml
index 14dac16..c036856 100644
--- a/moodle.playbook.yml
+++ b/moodle.playbook.yml
@@ -1,18 +1,18 @@
 ---
-# This file is part of Online Learning Sandbox.
+# This file is part of Learning Sandbox Online.
 #
-# Online Learning Sandbox is free software: you can redistribute it
+# Learning Sandbox Online is free software: you can redistribute it
 # and/or modify it under the terms of the GNU General Public License as
 # published by the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
-# Online Learning Sandbox is distributed in the hope that it will be
+# Learning Sandbox Online is distributed in the hope that it will be
 # useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 # Public License for more details.
 #
 # You should have received a copy of the GNU General Public License along with
-# Online Learning Sandbox. If not, see <https://www.gnu.org/licenses/>.
+# Learning Sandbox Online. If not, see <https://www.gnu.org/licenses/>.
 
 ##
 # Playbook for installing the Moodle instances.
diff --git a/requirements.yml b/requirements.yml
index 42c5367..8e6bae6 100644
--- a/requirements.yml
+++ b/requirements.yml
@@ -1,18 +1,18 @@
 ---
-# This file is part of Online Learning Sandbox.
+# This file is part of Learning Sandbox Online.
 #
-# Online Learning Sandbox is free software: you can redistribute it
+# Learning Sandbox Online is free software: you can redistribute it
 # and/or modify it under the terms of the GNU General Public License as
 # published by the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
-# Online Learning Sandbox is distributed in the hope that it will be
+# Learning Sandbox Online is distributed in the hope that it will be
 # useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 # Public License for more details.
 #
 # You should have received a copy of the GNU General Public License along with
-# Online Learning Sandbox. If not, see <https://www.gnu.org/licenses/>.
+# Learning Sandbox Online. If not, see <https://www.gnu.org/licenses/>.
 
 ##
 # List of roles on which this project depends.
@@ -20,5 +20,6 @@
 # @copyright  2023 Geoffrey Bernardo van Wyk (https://geoffreyvanwyk.dev)
 ##
 
+- name: geoffreyvanwyk.php
 - name: geoffreyvanwyk.moodle
 - name: geerlingguy.certbot
diff --git a/tasks/deploy_and_enable_sandbox_domain_alias_virtualhosts.yml b/tasks/deploy_domain_alias_virtualhosts.yml
similarity index 82%
rename from tasks/deploy_and_enable_sandbox_domain_alias_virtualhosts.yml
rename to tasks/deploy_domain_alias_virtualhosts.yml
index e13b1fb..5feebbd 100644
--- a/tasks/deploy_and_enable_sandbox_domain_alias_virtualhosts.yml
+++ b/tasks/deploy_domain_alias_virtualhosts.yml
@@ -1,18 +1,18 @@
 ---
-# This file is part of Online Learning Sandbox.
+# This file is part of Learning Sandbox Online.
 #
-# Online Learning Sandbox is free software: you can redistribute it
+# Learning Sandbox Online is free software: you can redistribute it
 # and/or modify it under the terms of the GNU General Public License as
 # published by the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
-# Online Learning Sandbox is distributed in the hope that it will be
+# Learning Sandbox Online is distributed in the hope that it will be
 # useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 # Public License for more details.
 #
 # You should have received a copy of the GNU General Public License along with
-# Online Learning Sandbox. If not, see <https://www.gnu.org/licenses/>.
+# Learning Sandbox Online. If not, see <https://www.gnu.org/licenses/>.
 
 ##
 # Deploy and enable Apache virtual host configuration files.
diff --git a/tasks/install_moodle.yml b/tasks/install_moodle.yml
index cb1e641..3657b2d 100644
--- a/tasks/install_moodle.yml
+++ b/tasks/install_moodle.yml
@@ -1,18 +1,18 @@
 ---
-# This file is part of Online Learning Sandbox.
+# This file is part of Learning Sandbox Online.
 #
-# Online Learning Sandbox is free software: you can redistribute it
+# Learning Sandbox Online is free software: you can redistribute it
 # and/or modify it under the terms of the GNU General Public License as
 # published by the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
-# Online Learning Sandbox is distributed in the hope that it will be
+# Learning Sandbox Online is distributed in the hope that it will be
 # useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 # Public License for more details.
 #
 # You should have received a copy of the GNU General Public License along with
-# Online Learning Sandbox. If not, see <https://www.gnu.org/licenses/>.
+# Learning Sandbox Online. If not, see <https://www.gnu.org/licenses/>.
 
 ##
 # Tasks for installing a particular version of Moodle.
diff --git a/tasks/install_tls_certificates.yml b/tasks/install_tls_certificates.yml
index fbb4c6d..826b63d 100644
--- a/tasks/install_tls_certificates.yml
+++ b/tasks/install_tls_certificates.yml
@@ -1,18 +1,18 @@
 ---
-# This file is part of Online Learning Sandbox.
+# This file is part of Learning Sandbox Online.
 #
-# Online Learning Sandbox is free software: you can redistribute it
+# Learning Sandbox Online is free software: you can redistribute it
 # and/or modify it under the terms of the GNU General Public License as
 # published by the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
-# Online Learning Sandbox is distributed in the hope that it will be
+# Learning Sandbox Online is distributed in the hope that it will be
 # useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 # Public License for more details.
 #
 # You should have received a copy of the GNU General Public License along with
-# Online Learning Sandbox. If not, see <https://www.gnu.org/licenses/>.
+# Learning Sandbox Online. If not, see <https://www.gnu.org/licenses/>.
 
 ##
 # Install TLS certificates, using a method appropriate to the environment.